Home / 13,487.35-20,230.34-4,721.58

Finding the Fourth Proportional to 13,487.35, 20,230.34 and 4,721.58

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Solution

The fourth proportional to 13,487.35, 20,230.34 and 4,721.58 is: 7,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.35 : 20,230.34 = 4,721.58 : x
  2. Step 2: Convert to fraction form
    13,487.35/20,230.34 = 4,721.58/x
  3. Step 3: Cross multiply
    13,487.35x = 20,230.34 × 4,721.58
  4. Step 4: Simplify right side
    13,487.35x = 95,519,168.74
  5. Step 5: Solve for x
    x = 95,519,168.74/13,487.35
  6. Step 6: Final answer
    x = 7,082.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.